import numpy as np
# arr2d = np.array([[1,2,3,22],[4,5,6,33],[7,8,9,44],[23,34,45,56]])
# print(arr2d)
# print(arr2d[1,2])
# print(arr2d[:2])
# print(arr2d[:,2])
# print(arr2d[1,1])
# print(arr2d[2])
# print(arr2d[:2,:2])
#
# arr_one=np.array([[1,2,3,4],[5,6,7,8],[9,10,11,12]])
# arr_two=np.array([[1,2,3,4],[5,6,7,8],[9,10,11,12]])
# print(arr_one+arr_two)
# print(arr_one-arr_two)
# print(arr_one*arr_two)
# print(arr_one/arr_two)

arr_one=np.array([[1],[5],[9]])
arr_two=np.array([1,2,3,4])
arr_res=arr_one+arr_two
print(arr_res)